idnr: 68


		1	3
2	4

Difficulty: Super easy (0)

idnr: 145

	2
	3
		1
		4

Difficulty: Super easy (0)

idnr: 274

	3	2


	2	1

Difficulty: Very easy (0)

idnr: 520

		4
	2
		3
	1

Difficulty: Super easy (0)